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Gypsum Products: Their Preparation and Uses
Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date:
July 1917
Creator:
Stone, Ralph W.
Object Type:
Report
System:
The UNT Digital Library
Vehicle-Wheel.
Patent for an improvement on vehicle wheels to "provide a novel and inexpensive safety-guard for wheels of the above-referred-to class, whereby the wheel will be prevented from entering crevices and cracks" (lines 14-18) and to improve durability.
Date:
July 23, 1895
Creator:
Laube, Godfried
Object Type:
Patent
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a strong, durable, and inexpensive vehicle-wheel in children's carriages with a double-felly wheel meant to broaden "the tread thereof sufficiently to prevent the wheels falling into cracks between boards of board walks, such as are common in the suburbs or rural districts" (lines 15-19). The spokes are like that of a single-felly wheel.
Date:
July 23, 1895
Creator:
Laube, Godfried
Object Type:
Patent
System:
The Portal to Texas History